Quarterly report pursuant to Section 13 or 15(d)

Inventory - Schedule of Inventory (Details)

v3.19.3
Inventory - Schedule of Inventory (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Devices - for resale $ 17,664 $ 11,319
Work in process 598  
Raw materials 4,737 8,826
Accessories 1,908 1,686
Total inventory $ 24,907 $ 21,831